The author makes an attempt to assess the relative efficiency of Polish commercial banks using non-paramteric Data Envelopment Analysis. In the empirical research, use has been made of panel data – 24 commercial banks in 4 years (2001–2004). The results of sequential DEA method (which...

In the article, the author presents Data Envelopment Analysis, which is a method for measuring relative technical efficiency. The idea of DEA method is illustrated by a simple example, where objects characterized by one input and one output only are considered. Next, a the basic DEA model (CCR...

This article contains a method for classifying Data Envelopment Analysis models. Two main criteria i.e. orientation and returns to scale are used. These criteria enable distinguishing between oriented and non-oriented DEA models with constant and variable returns to scale. Basic properties of...

We examine the estimation problem for shape-restricted functions that are continuous, non-negative, monotone non-decreasing, and strictly concave. A sieve estimator based on bivariate Bernstein polynomials is proposed. This estimator is drawn from a sieve, a set of shape-restricted Bernstein...

Polish Abstract: Celem artykułu jest ocena efektywności działalności dydaktycznej polskiego szkolnictwa wyższego w roku akademickim 2014/15 w kontekście zmian demograficznych i umiędzynarodowienia szkolnictwa wyższego. Dokonano tego za pomocą modeli SBM-Min i SBM-Max nieparametrycznej...

Polish Abstract: W artykule oszacowano — za pomocą metod DEA, SFA i StoNED — efektywność działalności dydaktycznej i naukowej 58 publicznych szkół wyższych w 2014 r. (analiza porównawcza wyników). Wyniki działalności dydaktycznej mierzono przeliczeniową liczbą absolwentów, a...

English Abstract: The article presents an overview of selected connections of the COVID-19 pandemic with risk theories. The study first explores the basic concepts of preparing and mobilizing networks of public policy actors to act together under conditions of uncertainty. The following section...